chore(dev-deps): bump @salesforce/cli-plugins-testkit

Bumps [@salesforce/cli-plugins-testkit](https://github.com/salesforcecli/cli-plugins-testkit) from 5.3.55 to 5.3.57.
- [Release notes](https://github.com/salesforcecli/cli-plugins-testkit/releases)
- [Changelog](https://github.com/salesforcecli/cli-plugins-testkit/blob/main/CHANGELOG.md)
- [Commits](salesforcecli/cli-plugins-testkit@5.3.55...5.3.57)

---
updated-dependencies:
- dependency-name: "@salesforce/cli-plugins-testkit"
  dependency-version: 5.3.57
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^5.3.17",
-    "@salesforce/cli-plugins-testkit": "^5.3.55",
+    "@salesforce/cli-plugins-testkit": "^5.3.57",
     "@salesforce/dev-scripts": "^11.0.4",
     "@salesforce/plugin-command-reference": "^3.1.93",
     "eslint-plugin-sf-plugin": "^1.20.33",

yarn.lock

@@ -1534,12 +1534,12 @@
   resolved "https://registry.yarnpkg.com/@rtsao/scc/-/scc-1.1.0.tgz#927dd2fae9bc3361403ac2c7a00c32ddce9ad7e8"
   integrity sha512-zt6OdqaDoOnJ1ZYsCYGt9YmWzDXl4vQdKTyJev62gFhRGKdx7mcT54V9KIjg+d2wi9EXsPvAPKe7i7WjfVWB8g==
 
-"@salesforce/cli-plugins-testkit@^5.3.55":
-  version "5.3.55"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.55.tgz#9230cb131950c60334b250940826ad20fe029023"
-  integrity sha512-NzV5WWHJDoybEtHVeTOQt/P/VizWsYwhiyAMU98NG+xAdQVBYyTx/2NhRTgnatxqHyNkYKwPMIJJQ9FLvHpU1A==
+"@salesforce/cli-plugins-testkit@^5.3.57":
+  version "5.3.57"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-5.3.57.tgz#51d1d8b9514ad0a9123ddd71db9bf8d2b9da2934"
+  integrity sha512-997GulQmQvaPCyCHCxxOQHZNJlemyBlvRDn9pkQSXTGLRi6SiI4UwJ5RgbUBW4N1v8z0RrfVObQYxrU1W/zasw==
   dependencies:
-    "@salesforce/core" "^8.29.0"
+    "@salesforce/core" "^8.29.1"
     "@salesforce/kit" "^3.2.6"
     "@salesforce/ts-types" "^2.0.11"
     "@types/shelljs" "^0.10.0"